'Supercargo' definitions:

Definition of 'supercargo'

From: WordNet
noun
An officer on a merchant ship in charge of the cargo and its sale and purchase

Definition of 'Supercargo'

From: GCIDE
  • Supercargo \Su`per*car"go\, n. [Super- + cargo: cf. Sp. sobrecargo. Cf. Surcharge.] An officer or person in a merchant ship, whose duty is to manage the sales, and superintend the commercial concerns, of the voyage. [1913 Webster]